cylinder heads
05-22-2017, 08:08 PM
#1
Registered User
Thread Starter
Join Date: May 2017
Posts: 3
Likes: 0
Received 0 Likes
on
0 Posts
cylinder heads what is a net gain roughly from ported 243 heads over stock 241 head. car is a 04 gto stock heads along with stock ls6 intake. only mods are a custom grind cam 230/238 .605/.605 113 lsa, McLeod rst along with a act 14.5 l flywheel and 1 3/4 long tubes no cats and sip lm2 cat back. manual 6 speed car made 406/386 sae smoothing 0 on a dynojet.
